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๐ง Seal the deal with pro-grade strength and versatility!
Momentive RTV103 is a premium one-part white silicone sealant designed for filling gaps up to 1/4" in both indoor and outdoor settings. Its paste consistency enables application on vertical and overhead surfaces without primer, adhering to a wide range of materials including metals, glass, and plastics. Engineered to endure extreme temperatures from -75ยฐF to 400ยฐF, it meets rigorous FDA, USDA, NSF, and Military standards, making it ideal for food-contact and industrial uses. Highly rated for its durability and trusted by professionals, it offers water resistance and UL recognition for peace of mind.

| ASIN | B004V40CDG |
| Best Sellers Rank | #43,312 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #48 in Silicone Caulk |
| Brand | Momentive |
| Brand Name | Momentive |
| Colour | White |
| Compatible Material | Glass, Metal, Plastic, Wood |
| Customer Reviews | 4.4 out of 5 stars 15 Reviews |
| Item Form | Liquid |
| Item Type Name | Silicone Sealant |
| Item Weight | 0.1 Pounds |
| Manufacturer | Momentive |
| Manufacturer Part Number | RTV103-2.8 |
| Material | Silicone |
| Material Type | Silicone |
| Model | RTV 103 |
| Number of Items | 1 |
| Style | RTV103 |
| Style Name | RTV103 |
| UPC | 013161053655 |
| Unit Count | 82.8 Grams |
| Water Resistance Level | Water Resistant |
S**W
Perfect for aquarium rebuilding
This is the same product that many of the aquarium builders use. This is an adhesive, which has a much higher tinsel strength and adhesion strength than the average sealant you get at the pet store. The working time is around 12 minutes. You need to plan out your assembly and go through a dry run or two before actually attempting to put it together for real. The tube was well within date, it was only a couple months old when i got it. If you are doing a tank bigger than 5 gallons, consider the calking tube. This is not the easiest to use to lay down a long even thin bead and keep it smooth and straight. It takes a decent amount of pressure with a thinner bead, you may run into hand fatigue by the time you are finishing up.
A**R
Worked perfectly
Performed the function as seen on the back of the instructions. Excellent buy
R**R
Excellent product, but the tube broke open on the ...
Excellent product, but the tube broke open on the end and made a big mess. I ended up throwing it away.
J**D
Works great
Just what I needed for some patio furniture touch up.
S**C
used this to fix BMW shadowline trim
Instead of replacing the shadow line trim, used this product to fill the gaps between the shadow line trim and the glass. Saved hundred of dollars vs. replacement parts.
Trustpilot
3 days ago
2 weeks ago